The air/fuel sensor, located in the exhaust system, may be damaged by moisture in the exhaust resulting in illumination of the Check Engine Light. Replacing the damaged air/fuel sensor and updating the powertrain control module (PCM) software should correct this concern.
Check Engine Light Due to Air Fuel Sensor Fault on Honda Civic
4 people reported this problem
2 people shared problem details
1995 Honda Civic150,000Visitor
the car will not start every time it rains and odometer does not work
2006 Honda Civic185,130Visitor
Engine light came on. Honda service diagnosed as Air Fuel Sensor gone bad. Testing, part and service cost $413.00. Really only problem after all these miles.
Both sensors have been replaced the o2 is fine but the pre cat air/fuel sensor is showing as no...
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I HAVE 3 SENSORS MISSING ON MY CAR ALL THE O2 PLUGS ARE GONE AND WELDED SHUT. I JUST REPLACED T...
On certain models in colder climates the Check Engine light can set due to moisture in the Mani...
My air fuel sensor 1 heater system is malfunctioning